Back to results
US 11,079,689 B2Granted
Display device and manufacturing method thereof
AssigneeSamsung Display Co., Ltd.
InventorsHyun Wook Lee, Soon Wook Hong, Seung Rae Kim, Jae-Hyun Park, Min cheol Chae
Life of this patent
Estimating the term…
Abstract
A display device including: a substrate having display area and a non-display area; and an alignment mark disposed in the non-display area of the substrate. The alignment mark includes a quadrangular-shaped center portion and a plurality of measurement portions that surround the center portion, the plurality of measurement portions including four or more measurement portions, and each of the measurement portions including sides that are parallel with two sides of the quadrangular-shaped center portion.
Claims16
A display device comprising:
- a substrate having a display area and a non-display area;
- and
- an alignment mark disposed in the non-display area of the substrate,
- wherein:
- the alignment mark comprises a quadrangular-shaped center portion and a plurality of measurement portions that are separated from each other and surround the center portion;
- each of the measurement portions comprises sides that are parallel with two sides of the quadrangular-shaped center portion;
- and
- at least one of the measurement portions have an L-shape.
5 more elements
A display device comprising:
- a substrate having a display area and a non-display area;
- and
- an alignment mark disposed in the non-display area of the substrate,
- wherein:
- the alignment mark comprises a quadrangular-shaped center portion and a plurality of elongated measurement portions that are separated from each other and surround the center portion;
- the center portion and the measurement portions of the alignment mark comprise different materials;
- and
- the measurement portions comprise:
- a second measurement portion and a third measurement portion that are disposed on a same virtual straight line that is in parallel with a first side of the quadrangular-shaped center portion, and are disposed apart from each other, and the virtual straight line is in parallel with the elongated direction of the second measurement portion and the third measurement portion;
- a fourth measurement portion and a fifth measurement portion that are disposed on a same virtual straight line that is in parallel with a second side of the quadrangular-shaped center portion, and are disposed apart from each other, and the virtual straight line is in parallel with the elongated direction of the fourth measurement portion and the fifth measurement portion;
- a sixth measurement portion and a seventh measurement portion that are disposed on a same virtual straight line that is in parallel with a third side of the quadrangular-shaped center portion, and are disposed apart from each other, and the virtual straight line is in parallel with the elongated direction of the sixth measurement portion and the seventh measurement portion;
- and
- an eighth measurement portion and a first measurement portion that are disposed on a same virtual straight line that is in parallel with a fourth side of the quadrangular-shaped center portion, and are disposed apart from each other, and the virtual straight line is in parallel with the elongated direction of the eighth measurement portion and the first measurement portion.
10 more elements
Dependencies are inferred from the claim text.